/*
 * Copyright 2024 The Project Oak Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef CC_CRYPTO_SIGNING_KEY_H_
#define CC_CRYPTO_SIGNING_KEY_H_

#include "absl/status/statusor.h"
#include "absl/strings/string_view.h"
#include "proto/crypto/crypto.pb.h"

namespace oak::crypto {

class SigningKeyHandle {
 public:
  virtual absl::StatusOr<::oak::crypto::v1::Signature> Sign(
      absl::string_view message) = 0;

  virtual ~SigningKeyHandle() = default;
};

}  // namespace oak::crypto

#endif  // CC_CRYPTO_SIGNING_KEY_H_
